How to Install CAOS v224 on Samsung Galaxy M30s Android 10 Q. CAOS (Custom AOSP OS) is a project which based on phhusson‘s Treble AOSP GSI. It does not support voLTE. This ROM Required: Installed TWRP Recovery. Version Information Status: Stable GSI ROM caos-v224-201029-arm64-bvN ( ARM64-AB ) without GAPPS. Use at your own risk, I’m • Read More »